How Level is Sea Level?

Duration: 468 ft.

Year Published: 1970

Copyright: Registered 24Apr70 · MP20520 (Jan-Jun 1970) Copyright holder: Encyclopaedia Britannica Educational Corp

Complete Record: A discussion of sea level, what it is, how it is determined and factors that influence sea level at various locations on the earth. Illustrates the constant changes created by waves and tides, and provides data for the investigation of the question, how level is sea level. Points out that mean sea level is not the same for all oceans. Made in collaboration with the American Geological Institute.

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